./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:09:51,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:09:51,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:09:51,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:09:51,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:09:51,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:09:51,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:09:51,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:09:51,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:09:51,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:09:51,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:09:51,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:09:51,013 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:09:51,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:09:51,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:09:51,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:09:51,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:09:51,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:09:51,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:09:51,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:09:51,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:09:51,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:09:51,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:09:51,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:09:51,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:09:51,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:09:51,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:09:51,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:09:51,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:09:51,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:09:51,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:09:51,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:09:51,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:09:51,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:09:51,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:09:51,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:09:51,023 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 17:09:51,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:09:51,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:09:51,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:09:51,031 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 17:09:51,032 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:09:51,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:09:51,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:09:51,033 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 17:09:51,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:09:51,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 17:09:51,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:09:51,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:09:51,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:09:51,034 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 17:09:51,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:09:51,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:09:51,034 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-12-02 17:09:51,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:09:51,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:09:51,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:09:51,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:09:51,062 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:09:51,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-02 17:09:51,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/data/1696d4ec4/f291b2ff951e42de897b113a6f6daab6/FLAG1409c2ea7 [2018-12-02 17:09:51,541 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:09:51,541 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-02 17:09:51,548 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/data/1696d4ec4/f291b2ff951e42de897b113a6f6daab6/FLAG1409c2ea7 [2018-12-02 17:09:51,557 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/data/1696d4ec4/f291b2ff951e42de897b113a6f6daab6 [2018-12-02 17:09:51,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:09:51,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:09:51,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:51,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:09:51,564 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:09:51,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51, skipping insertion in model container [2018-12-02 17:09:51,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:09:51,602 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:09:51,776 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:51,817 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:09:51,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:51,872 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:09:51,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51 WrapperNode [2018-12-02 17:09:51,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:51,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:51,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:09:51,873 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:09:51,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:51,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:09:51,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:09:51,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:09:51,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... [2018-12-02 17:09:51,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:09:51,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:09:51,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:09:51,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:09:51,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 17:09:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:09:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:09:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:09:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 17:09:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 17:09:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:09:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:09:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:09:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:09:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:09:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 17:09:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 17:09:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:09:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:09:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:09:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:09:52,340 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:09:52,341 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-02 17:09:52,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:52 BoogieIcfgContainer [2018-12-02 17:09:52,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:09:52,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 17:09:52,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 17:09:52,350 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 17:09:52,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:52" (1/1) ... [2018-12-02 17:09:52,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2018-12-02 17:09:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-12-02 17:09:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 17:09:52,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2018-12-02 17:09:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2018-12-02 17:09:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 17:09:52,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2018-12-02 17:09:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2018-12-02 17:09:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 17:09:52,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-12-02 17:09:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-12-02 17:09:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 17:09:52,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2018-12-02 17:09:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2018-12-02 17:09:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:09:52,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2018-12-02 17:09:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2018-12-02 17:09:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:09:52,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2018-12-02 17:09:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2018-12-02 17:09:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:09:52,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2018-12-02 17:09:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2018-12-02 17:09:53,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 17:09:53,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2018-12-02 17:09:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2018-12-02 17:09:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 17:09:53,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2018-12-02 17:09:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2018-12-02 17:09:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 17:09:53,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 127 states and 210 transitions. [2018-12-02 17:09:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 210 transitions. [2018-12-02 17:09:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 17:09:53,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 217 transitions. [2018-12-02 17:09:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 217 transitions. [2018-12-02 17:09:53,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 17:09:53,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 135 states and 228 transitions. [2018-12-02 17:09:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 228 transitions. [2018-12-02 17:09:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 17:09:53,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 144 states and 247 transitions. [2018-12-02 17:09:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2018-12-02 17:09:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 17:09:54,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 145 states and 250 transitions. [2018-12-02 17:09:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 250 transitions. [2018-12-02 17:09:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 17:09:54,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 251 transitions. [2018-12-02 17:09:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 251 transitions. [2018-12-02 17:09:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 17:09:54,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 151 states and 261 transitions. [2018-12-02 17:09:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 261 transitions. [2018-12-02 17:09:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 17:09:54,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 155 states and 272 transitions. [2018-12-02 17:09:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2018-12-02 17:09:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 17:09:54,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 159 states and 281 transitions. [2018-12-02 17:09:54,847 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2018-12-02 17:09:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 17:09:54,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 162 states and 288 transitions. [2018-12-02 17:09:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2018-12-02 17:09:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:09:54,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 172 states and 317 transitions. [2018-12-02 17:09:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 317 transitions. [2018-12-02 17:09:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 17:09:55,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 170 states and 313 transitions. [2018-12-02 17:09:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 313 transitions. [2018-12-02 17:09:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 17:09:55,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 17:09:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 321 transitions. [2018-12-02 17:09:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 321 transitions. [2018-12-02 17:09:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 17:09:56,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 179 states and 334 transitions. [2018-12-02 17:09:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 334 transitions. [2018-12-02 17:09:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 17:09:56,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 180 states and 336 transitions. [2018-12-02 17:09:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 336 transitions. [2018-12-02 17:09:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 17:09:56,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 181 states and 338 transitions. [2018-12-02 17:09:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 338 transitions. [2018-12-02 17:09:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 17:09:56,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 17:09:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 189 states and 350 transitions. [2018-12-02 17:09:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 350 transitions. [2018-12-02 17:09:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 17:09:56,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 17:09:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 191 states and 351 transitions. [2018-12-02 17:09:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2018-12-02 17:09:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:09:56,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 17:09:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 192 states and 352 transitions. [2018-12-02 17:09:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 352 transitions. [2018-12-02 17:09:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:09:56,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 203 states and 375 transitions. [2018-12-02 17:09:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 375 transitions. [2018-12-02 17:09:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:09:57,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 205 states and 376 transitions. [2018-12-02 17:09:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 376 transitions. [2018-12-02 17:09:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:09:57,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 212 states and 405 transitions. [2018-12-02 17:09:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 405 transitions. [2018-12-02 17:09:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:09:57,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 214 states and 406 transitions. [2018-12-02 17:09:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 406 transitions. [2018-12-02 17:09:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:09:57,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:09:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 224 states and 436 transitions. [2018-12-02 17:09:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 436 transitions. [2018-12-02 17:09:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:09:59,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 234 states and 468 transitions. [2018-12-02 17:10:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 468 transitions. [2018-12-02 17:10:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 17:10:01,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 235 states and 469 transitions. [2018-12-02 17:10:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 469 transitions. [2018-12-02 17:10:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:10:01,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 241 states and 483 transitions. [2018-12-02 17:10:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 483 transitions. [2018-12-02 17:10:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:10:01,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:02,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 243 states and 486 transitions. [2018-12-02 17:10:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 486 transitions. [2018-12-02 17:10:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 17:10:02,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 246 states and 491 transitions. [2018-12-02 17:10:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 491 transitions. [2018-12-02 17:10:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 17:10:02,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 247 states and 492 transitions. [2018-12-02 17:10:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 492 transitions. [2018-12-02 17:10:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 17:10:02,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 266 states and 528 transitions. [2018-12-02 17:10:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 528 transitions. [2018-12-02 17:10:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-02 17:10:04,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 268 states and 529 transitions. [2018-12-02 17:10:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 529 transitions. [2018-12-02 17:10:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 17:10:05,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 269 states and 530 transitions. [2018-12-02 17:10:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 530 transitions. [2018-12-02 17:10:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 17:10:05,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 273 states and 538 transitions. [2018-12-02 17:10:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 538 transitions. [2018-12-02 17:10:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:10:05,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 274 states and 539 transitions. [2018-12-02 17:10:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 539 transitions. [2018-12-02 17:10:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:10:05,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 282 states and 576 transitions. [2018-12-02 17:10:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 576 transitions. [2018-12-02 17:10:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:10:06,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 287 states and 589 transitions. [2018-12-02 17:10:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 589 transitions. [2018-12-02 17:10:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 17:10:07,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:10:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 293 states and 612 transitions. [2018-12-02 17:10:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 612 transitions. [2018-12-02 17:10:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 17:10:08,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 294 states and 613 transitions. [2018-12-02 17:10:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 613 transitions. [2018-12-02 17:10:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 17:10:08,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:10:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 296 states and 624 transitions. [2018-12-02 17:10:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 624 transitions. [2018-12-02 17:10:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 17:10:08,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:10:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 298 states and 630 transitions. [2018-12-02 17:10:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 630 transitions. [2018-12-02 17:10:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 17:10:09,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:10:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 306 states and 648 transitions. [2018-12-02 17:10:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 648 transitions. [2018-12-02 17:10:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 17:10:09,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:10:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 312 states and 673 transitions. [2018-12-02 17:10:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 673 transitions. [2018-12-02 17:10:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:10:10,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:10:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 316 states and 692 transitions. [2018-12-02 17:10:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 692 transitions. [2018-12-02 17:10:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:10:11,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:10:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 317 states and 693 transitions. [2018-12-02 17:10:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 693 transitions. [2018-12-02 17:10:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:10:11,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:10:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 319 states and 706 transitions. [2018-12-02 17:10:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 706 transitions. [2018-12-02 17:10:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:10:12,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:10:13,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:13,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 325 states and 724 transitions. [2018-12-02 17:10:13,819 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 724 transitions. [2018-12-02 17:10:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:10:13,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 17:10:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 323 states and 701 transitions. [2018-12-02 17:10:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 701 transitions. [2018-12-02 17:10:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 17:10:13,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:10:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:14,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 325 states and 702 transitions. [2018-12-02 17:10:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 702 transitions. [2018-12-02 17:10:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 17:10:14,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:10:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 330 states and 711 transitions. [2018-12-02 17:10:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 711 transitions. [2018-12-02 17:10:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 17:10:14,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:10:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 334 states and 721 transitions. [2018-12-02 17:10:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 721 transitions. [2018-12-02 17:10:14,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 17:10:14,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:10:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 339 states and 728 transitions. [2018-12-02 17:10:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 728 transitions. [2018-12-02 17:10:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 17:10:15,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:10:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 341 states and 729 transitions. [2018-12-02 17:10:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 729 transitions. [2018-12-02 17:10:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:10:15,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:10:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 344 states and 731 transitions. [2018-12-02 17:10:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 731 transitions. [2018-12-02 17:10:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 17:10:15,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:10:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 345 states and 734 transitions. [2018-12-02 17:10:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 734 transitions. [2018-12-02 17:10:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 17:10:16,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:16,109 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:10:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 346 states and 737 transitions. [2018-12-02 17:10:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 737 transitions. [2018-12-02 17:10:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 17:10:16,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:10:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 350 states and 746 transitions. [2018-12-02 17:10:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 746 transitions. [2018-12-02 17:10:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 17:10:16,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:10:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 351 states and 747 transitions. [2018-12-02 17:10:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 747 transitions. [2018-12-02 17:10:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:10:16,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:10:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 360 states and 771 transitions. [2018-12-02 17:10:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 771 transitions. [2018-12-02 17:10:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:10:18,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:10:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 363 states and 774 transitions. [2018-12-02 17:10:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 774 transitions. [2018-12-02 17:10:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:10:18,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 17:10:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 365 states and 776 transitions. [2018-12-02 17:10:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 776 transitions. [2018-12-02 17:10:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 17:10:18,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 17:10:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 360 states and 765 transitions. [2018-12-02 17:10:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 765 transitions. [2018-12-02 17:10:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:10:18,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:10:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 361 states and 766 transitions. [2018-12-02 17:10:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 766 transitions. [2018-12-02 17:10:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 17:10:18,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 17:10:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 362 states and 767 transitions. [2018-12-02 17:10:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 767 transitions. [2018-12-02 17:10:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:10:18,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 17:10:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 363 states and 770 transitions. [2018-12-02 17:10:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 770 transitions. [2018-12-02 17:10:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 17:10:18,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:10:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 365 states and 773 transitions. [2018-12-02 17:10:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 773 transitions. [2018-12-02 17:10:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 17:10:18,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:10:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:19,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 360 states and 761 transitions. [2018-12-02 17:10:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 761 transitions. [2018-12-02 17:10:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 17:10:19,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 17:10:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 367 states and 780 transitions. [2018-12-02 17:10:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 780 transitions. [2018-12-02 17:10:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 17:10:20,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-02 17:10:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 368 states and 781 transitions. [2018-12-02 17:10:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 781 transitions. [2018-12-02 17:10:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 17:10:20,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-02 17:10:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 368 states and 779 transitions. [2018-12-02 17:10:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 779 transitions. [2018-12-02 17:10:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 17:10:20,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:10:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 369 states and 780 transitions. [2018-12-02 17:10:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 780 transitions. [2018-12-02 17:10:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 17:10:20,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:10:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 370 states and 781 transitions. [2018-12-02 17:10:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 781 transitions. [2018-12-02 17:10:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 17:10:20,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 17:10:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 366 states and 772 transitions. [2018-12-02 17:10:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 772 transitions. [2018-12-02 17:10:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 17:10:20,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:10:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 358 states and 757 transitions. [2018-12-02 17:10:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 757 transitions. [2018-12-02 17:10:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 17:10:20,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 17:10:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 367 states and 773 transitions. [2018-12-02 17:10:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 773 transitions. [2018-12-02 17:10:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-02 17:10:21,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 17:10:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 365 states and 757 transitions. [2018-12-02 17:10:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 757 transitions. [2018-12-02 17:10:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 17:10:22,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:10:22,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 366 states and 758 transitions. [2018-12-02 17:10:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 758 transitions. [2018-12-02 17:10:22,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 17:10:22,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 17:10:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 367 states and 761 transitions. [2018-12-02 17:10:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 761 transitions. [2018-12-02 17:10:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 17:10:22,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 17:10:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 172 states and 239 transitions. [2018-12-02 17:10:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 239 transitions. [2018-12-02 17:10:22,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:10:22,915 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 89 iterations. [2018-12-02 17:10:22,920 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 17:10:23,238 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 17:10:23,242 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,243 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 17:10:23,243 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,243 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,243 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,243 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-02 17:10:23,244 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,244 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,244 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,245 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 17:10:23,245 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,245 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:10:23,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:10:23 ImpRootNode [2018-12-02 17:10:23,245 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 17:10:23,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:10:23,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:10:23,246 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:10:23,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:52" (3/4) ... [2018-12-02 17:10:23,249 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:10:23,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 17:10:23,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-12-02 17:10:23,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 17:10:23,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 17:10:23,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 17:10:23,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:10:23,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:10:23,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning)) || (!(systemActive == 0) && !(pumpRunning == 0)) [2018-12-02 17:10:23,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-02 17:10:23,306 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04bfb469-9d14-413b-a622-2c37603bb435/bin-2019/ukojak/witness.graphml [2018-12-02 17:10:23,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:10:23,306 INFO L168 Benchmark]: Toolchain (without parser) took 31747.62 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 759.2 MB). Free memory was 951.7 MB in the beginning and 1.6 GB in the end (delta: -658.0 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:10:23,307 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:10:23,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:10:23,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:10:23,308 INFO L168 Benchmark]: Boogie Preprocessor took 18.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:10:23,308 INFO L168 Benchmark]: RCFGBuilder took 419.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:10:23,308 INFO L168 Benchmark]: CodeCheck took 30903.99 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 647.0 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -603.9 MB). Peak memory consumption was 916.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:10:23,308 INFO L168 Benchmark]: Witness Printer took 60.41 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:10:23,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 89 locations, 1 error locations. SAFE Result, 30.5s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 88170832 SDtfs, 1477940544 SDslu, -1309193888 SDs, 0 SdLazy, -725826580 SolverSat, -1532193656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55694 GetRequests, 54683 SyntacticMatches, 463 SemanticMatches, 548 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179616 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 4661 NumberOfCodeBlocks, 4661 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 4573 ConstructedInterpolants, 0 QuantifiedInterpolants, 499790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 78 PerfectInterpolantSequences, 1939/1992 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning)) || (!(systemActive == 0) && !(pumpRunning == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 419.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. * CodeCheck took 30903.99 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 647.0 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -603.9 MB). Peak memory consumption was 916.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.41 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...